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Robert M, Lessard LER, Bouhour F, Petiot P, Fenouil T, Svahn J, Fiscus J, Fabien N, Perard L, Robinson P, Durieu I, Coury F, Streichenberger N, Hot A, Gallay L. Inaugural dropped head syndrome and camptocormia in inflammatory myopathies: a retrospective study. Rheumatology (Oxford) 2024; 63:506-515. [PMID: 37462538 PMCID: PMC10837000 DOI: 10.1093/rheumatology/kead347] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 06/27/2023] [Indexed: 02/03/2024] Open
Abstract
OBJECTIVES Inaugural axial muscle involvement, defined as dropped head syndrome (DHS) and/or camptocormia (CC), is poorly described in inflammatory myopathies (IM). This study aimed to further characterize IM patients with inaugural DHS/CC, their outcome and care management. METHODS This retrospective study included IM patients diagnosed between 2000 and 2021. The main inclusion criterion was IM revealed by axial muscle deficit (DHS/CC). RESULTS Twenty-seven patients were included; median (IQR) age at first symptoms was 66.0 years (55.5-75.0); 21 were female (77.8%). There were nine IBM, 33.3%, nine overlap myositis (OM, 33.3%), five DM, 18.5%, two immune checkpoint inhibitor-related myositis (7.4%), one focal myositis (3.7%) and one myositis with anti-Hu antibodies (3.7%). Age at first symptoms was ≤70 years in 16 patients (59.3%), including all DM patients and 8/9 OM patients (88.9%). In this group, partial remission of the disease was obtained in 9/16 (56.3%) and complete remission in 1/16 patients (6.3%); regression of DHS/CC was achieved in 3/16 patients (18.8%). Conversely, in the group of 11 patients aged >70 years at first symptoms, there were eight IBM (72.7%). Partial remission was obtained in 5/11 patients (45.5%), the disease was stable in 6/11 patients (54.5%); no complete remission was obtained nor regression of DHS/CC. CONCLUSION The analysis of IM patients with inaugural DHS/CC delineates two groups of patients according to the age at first symptoms in terms of clinical and outcome specificities, and proposes an adapted diagnostic and care management approach to prevent long-term complications.
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Affiliation(s)
- Marie Robert
- Service de Médecine Interne et Immunologie Clinique, Centre Hospitalier Universitaire Edouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Lola E R Lessard
- Service d'Electroneuromyographie et Pathologies Neuromusculaires, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
- Laboratoire Physiopathologie et Génétique du Neurone et du Muscle (PGNM), CNRS UMR5261-INSERM U1315, Institut NeuroMyoGène-Université Claude Bernard Lyon 1, Lyon, France
| | - Françoise Bouhour
- Service d'Electroneuromyographie et Pathologies Neuromusculaires, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
| | - Philippe Petiot
- Service d'Electroneuromyographie et Pathologies Neuromusculaires, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
| | - Tanguy Fenouil
- Service de Cytologie et d'Anatomie Pathologique, Département de Neuropathologie, Groupement Hospitalier Est, Hospices Civils de Lyon, Lyon, France
- Equipe Ribosome Traduction et Cancer, UMR Inserm 1052 CNRS 5286, Centre de Recherche en Cancérologie de Lyon, Lyon, France
| | - Juliette Svahn
- Service d'Electroneuromyographie et Pathologies Neuromusculaires, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
| | - Julie Fiscus
- Service d'Immunologie, UF Autoimmunité, Centre Hospitalier Lyon-Sud, Hospices Civils de Lyon, Pierre-Bénite, France
| | - Nicole Fabien
- Service d'Immunologie, UF Autoimmunité, Centre Hospitalier Lyon-Sud, Hospices Civils de Lyon, Pierre-Bénite, France
| | - Laurent Perard
- Service de Médecine Interne, Centre Hospitalier Saint Joseph Saint Luc, Lyon, France
| | - Philip Robinson
- Direction de la Recherche en Santé, Hospices Civils de Lyon, Lyon, France
| | - Isabelle Durieu
- Service de Médecine interne, Hôpital Lyon Sud, Hospices Civils de Lyon, Pierre-Bénite, France
| | - Fabienne Coury
- Département de Rhumatologie, Hôpital Lyon Sud, Hospices civils de Lyon, Pierre-Bénite, France
- Inserm UMR1033, Université Claude Bernard Lyon 1, Lyon, France
| | - Nathalie Streichenberger
- Laboratoire Physiopathologie et Génétique du Neurone et du Muscle (PGNM), CNRS UMR5261-INSERM U1315, Institut NeuroMyoGène-Université Claude Bernard Lyon 1, Lyon, France
- Service de Cytologie et d'Anatomie Pathologique, Département de Neuropathologie, Groupement Hospitalier Est, Hospices Civils de Lyon, Lyon, France
| | - Arnaud Hot
- Service de Médecine Interne et Immunologie Clinique, Centre Hospitalier Universitaire Edouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Laure Gallay
- Service de Médecine Interne et Immunologie Clinique, Centre Hospitalier Universitaire Edouard Herriot, Hospices Civils de Lyon, Lyon, France
- Laboratoire Cell Therapy & Musculoskeletal Disorders, Université de Genève, Genève, Switzerland
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Skolka MP, Naddaf E. Exploring challenges in the management and treatment of inclusion body myositis. Curr Opin Rheumatol 2023; 35:404-413. [PMID: 37503813 PMCID: PMC10552844 DOI: 10.1097/bor.0000000000000958] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
PURPOSE OF REVIEW This review provides an overview of the management and treatment landscape of inclusion body myositis (IBM), while highlighting the current challenges and future directions. RECENT FINDINGS IBM is a slowly progressive myopathy that predominantly affects patients over the age of 40, leading to increased morbidity and mortality. Unfortunately, a definitive cure for IBM remains elusive. Various clinical trials targeting inflammatory and some of the noninflammatory pathways have failed. The search for effective disease-modifying treatments faces numerous hurdles including variability in presentation, diagnostic challenges, poor understanding of pathogenesis, scarcity of disease models, a lack of validated outcome measures, and challenges related to clinical trial design. Close monitoring of swallowing and respiratory function, adapting an exercise routine, and addressing mobility issues are the mainstay of management at this time. SUMMARY Addressing the obstacles encountered by patients with IBM and the medical community presents a multitude of challenges. Effectively surmounting these hurdles requires embracing cutting-edge research strategies aimed at enhancing the management and treatment of IBM, while elevating the quality of life for those affected.
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Nicolau S, Milone M. Sporadic Late-Onset Nemaline Myopathy: Current Landscape. Curr Neurol Neurosci Rep 2023; 23:777-784. [PMID: 37856049 DOI: 10.1007/s11910-023-01311-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2023] [Indexed: 10/20/2023]
Abstract
PURPOSE OF REVIEW Sporadic late-onset nemaline myopathy (SLONM) is a rare adult-onset, acquired, muscle disease that can be associated with monoclonal gammopathy or HIV infection. The pathological hallmark of SLONM is the accumulation of nemaline rods in muscle fibers. We review here current knowledge about its presentation, pathophysiology, and management. RECENT FINDINGS SLONM usually manifests with subacutely progressive proximal and axial weakness, but it can also present with chronic progressive weakness mimicking muscular dystrophy. The pathophysiology of the disease remains poorly understood, with evidence pointing to both autoimmune mechanisms and hematological neoplasia. Recent studies have identified histological, proteomic, and transcriptomic alterations that shed light on disease mechanisms and distinguish SLONM from inherited nemaline myopathies. A majority of SLONM patients respond to intravenous immunoglobulins, chemotherapy, or hematopoietic stem cell transplant. SLONM is a treatable myopathy, although its underlying etiology and pathomechanisms remain unclear. A high degree of suspicion should be maintained for this disease to reduce diagnostic delay and treatment in SLONM and facilitate its distinction from inherited nemaline myopathies.
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Affiliation(s)
- Stefan Nicolau
- Center for Gene Therapy, Nationwide Children's Hospital, Columbus, OH, USA
| | - Margherita Milone
- Department of Neurology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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Pijnenburg L, Giannini M, Bouchard-Marmen M, Arnaud L, Barsotti S, Bellando-Randone S, Bernardi L, Bini P, Blagojevic J, Codullo V, Couderc M, De Moreuil C, Dernis E, Diamanti L, Dubost JJ, Duval F, Emmi G, Galempoix JM, Geny B, Gottenberg JE, Groza M, Guffroy A, Guichard I, Guilpain P, Hervier B, Hudson M, Iaccarino L, Iannone F, Lebrun D, Marchioni E, Mariampillai K, Maurier F, Mosca M, Nadaj-Pakleza A, Nannini C, Piot JM, Prieto-González S, Poursac N, Rouanet E, Sellam J, Selva-O'Callaghan A, Séverac F, Sibilia J, Sole G, Soulages A, Terrier B, Tournadre A, Troyanov Y, Vernier N, Vesperini V, Viallard JF, Ziane R, Cavagna L, Meyer A. In inflammatory myopathies, dropped head/bent spine syndrome is associated with scleromyositis: an international case-control study. RMD Open 2023; 9:e003081. [PMID: 37666644 PMCID: PMC10481849 DOI: 10.1136/rmdopen-2023-003081] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 06/22/2023] [Indexed: 09/06/2023] Open
Abstract
BACKGROUND Some myopathies can lead to dropped head or bent spine syndrome (DH/BS). The significance of this symptom has not been studied in inflammatory myopathies (IM). OBJECTIVES To assess the significance of DH/BS in patients with IM. METHODS Practitioners from five IM networks were invited to report patients with IM suffering from DH/BS (without other known cause than IM). IM patients without DH/BS, randomly selected in each participating centre, were included as controls at a ratio of 2 to 1. RESULTS 49 DH/BS-IM patients (DH: 57.1%, BS: 42.9%) were compared with 98 control-IM patients. DH/BS-IM patients were older (65 years vs 53 years, p<0.0001) and the diagnosis of IM was delayed (6 months vs 3 months, p=0.009). Weakness prevailing in the upper limbs (42.9% vs 15.3%), dysphagia (57.1% vs 25.5%), muscle atrophy (65.3% vs 34.7%), weight loss (61.2% vs 23.5%) and loss of the ability to walk (24.5% vs 5.1%) were hallmarks of DH/BS-IM (p≤0.0005), for which the patients more frequently received intravenous immunoglobulins (65.3% vs 34.7%, p=0.0004). Moreover, DH/BS-IM patients frequently featured signs and/or complications of systemic sclerosis (SSc), fulfilling the American College of Rheumatology/European Alliance of Associations for Rheumatology criteria for this disease in 40.8% of the cases (vs 5.1%, p<0.0001). Distribution of the myopathy, its severity and its association with SSc were independently associated with DH/BS (p<0.05). Mortality was higher in the DH/BS-IM patients and loss of walking ability was independently associated with survival (p<0.05). CONCLUSION In IM patients, DH/BS is a marker of severity and is associated with SSc (scleromyositis).
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Affiliation(s)
- Luc Pijnenburg
- Service de rhumatologie, Centre de Référence des Maladies Auto-immunes Systémiques Rares Est Sud-Ouest Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Margherita Giannini
- Service de rhumatologie, Centre de Référence des Maladies Auto-immunes Systémiques Rares Est Sud-Ouest Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
- Exploration fonctionnelle musculaire, Service de Physiologie Explorations Fonctionnelles Musculaires, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | | | - Laurent Arnaud
- Service de rhumatologie, Centre de Référence des Maladies Auto-immunes Systémiques Rares Est Sud-Ouest Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Simone Barsotti
- Department of Rheumatology and Clinical Immunology Unit, University of Pisa, Pisa, Italy
| | - Silvia Bellando-Randone
- Department of Experimental and Clinical Medicine, Universitaria Careggi, Azienda Ospedaliera, Florence, Italy
| | - Livio Bernardi
- Departement of rheumatology, University of Padova, Padova, Italy
| | - Paola Bini
- Department of neurology, Neurological Institute Mondino, University of Pavia, Pavia, Italy
| | - Jelena Blagojevic
- Department of Experimental and Clinical Medicine, Universitaria Careggi, Azienda Ospedaliera, Florence, Italy
| | - Veronica Codullo
- Rheumatology Division, University and IRCCS Policlinico S. Matteo Foundation Pavia, Pavia, Italy
| | - Marion Couderc
- Service de rhumatologie, Hôpitaux Universitaires de Clermont-Ferrand, Clermont-Ferrand, France
| | - Claire De Moreuil
- Service de médecine interne, Hôpitaux Universitaires de Brest, Brest, France
| | - Emanuelle Dernis
- Service de rhumatologie, Centre hospitalier Le Mans, Le Mans, France
| | - Luca Diamanti
- Department of neurology, Neurological Institute Mondino, University of Pavia, Pavia, Italy
| | - Jean Jacques Dubost
- Service de médecine interne, Hôpitaux Universitaires de Clermont-Ferrand, Clermont-Ferrand, France
| | - Fanny Duval
- Service de neurologie, Hôpitaux Universitaires de Bordeaux, Bordeaux, France
| | - Giacomo Emmi
- Department of Experimental and Clinical Medicine, Universitaria Careggi, Azienda Ospedaliera, Florence, Italy
| | - Jean-Marc Galempoix
- Service de Médecine Interne, Centre Hospitalier de Charleville-Mézières, Charleville-Mézières, France
| | - Bernard Geny
- Exploration fonctionnelle musculaire, Service de Physiologie Explorations Fonctionnelles Musculaires, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Jacques-Eric Gottenberg
- Service de rhumatologie, Centre de Référence des Maladies Auto-immunes Systémiques Rares Est Sud-Ouest Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Monica Groza
- Service de médecine interne, Centre hospitalier Colmar, Colmar, France
| | - Aurelien Guffroy
- Service d'immunologie clinique, Centre de Référence des Maladies Auto-immunes Systémiques Rares Est Sud-Ouest Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Isabelle Guichard
- Service de médecine interne, Hôpitaux Universitaires de Saint Etienne, Saint Etienne, France
| | - Philippe Guilpain
- Service de médecine interne, Hôpitaux Universitaires de Montpellierr, Montpellier, France
| | - Baptiste Hervier
- Service de médecine interne, Assistance publique - Hôpitaux de Paris, Saint Louis, Paris, France
| | - Marie Hudson
- Department of medicine, Division of Rheumatology, Jewish General Hospital, McGill University, Montreal, Québec, Canada
| | - Luca Iaccarino
- Departement of rheumatology, University of Padova, Padova, Italy
| | | | - Delphine Lebrun
- Service de Médecine Interne, Centre Hospitalier de Charleville-Mézières, Charleville-Mézières, France
| | - Enrico Marchioni
- Department of neurology, Neurological Institute Mondino, University of Pavia, Pavia, Italy
| | - Kuberaka Mariampillai
- Service de médecine interne, Assistance publique - Hôpitaux de Paris, Saint Louis, Paris, France
| | - Francois Maurier
- Service de médecine interne, Hôpitaux privés de Metz, Metz, France
| | - Marta Mosca
- Department of Rheumatology and Clinical Immunology Unit, University of Pisa, Pisa, Italy
| | - Aleksandra Nadaj-Pakleza
- Service de neurologie, Centre de référence des maladies neuromusculaires, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | | | - Jean-Maxime Piot
- Service de rhumatologie, Centre hospitalier Le Mans, Le Mans, France
| | | | - Nicolas Poursac
- Service de rhumatologie, Centre de Référence des Maladies Auto-immunes Systémiques Rares Est Sud-Ouest, Hôpitaux Universitaires de Bordeaux, Bordeaux, France
| | - Eglantine Rouanet
- Service de rhumatologie, Centre hospitalier Le Mans, Le Mans, France
| | - Jérémie Sellam
- Service de rhumatologie, Hôpital Saint Antoine, Assistance publique - Hôpitaux de Paris, Paris, France
| | | | - François Séverac
- Service de Santé Publique, GMRC; ICube, UMR 7357, Hôpitaux universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Jean Sibilia
- Service de rhumatologie, Centre de Référence des Maladies Auto-immunes Systémiques Rares Est Sud-Ouest Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Guilhem Sole
- Service de neurologie, Hôpitaux Universitaires de Bordeaux, Bordeaux, France
| | - Antoine Soulages
- Service de neurologie, Hôpitaux Universitaires de Bordeaux, Bordeaux, France
| | - Benjamin Terrier
- Service de médecine interne, Hôpital Cochin Assistance publique - Hôpitaux de Paris Cochin, Paris, France
| | - Anne Tournadre
- Service de rhumatologie, Hôpitaux Universitaires de Clermont-Ferrand, Clermont-Ferrand, France
| | - Yves Troyanov
- Department of rheumatology, Hôpital Sacre Cœur Montréal, Université de Montréal, Montreal, Québec, Canada
| | - Nathalie Vernier
- Service de médecine interne, Hôpitaux Universitaires de Dijon, Dijon, France
| | | | | | - Rahima Ziane
- Service de médecine interne, Hôpitaux Universitaires de Montpellierr, Montpellier, France
| | - Lorenzo Cavagna
- Rheumatology Division, University and IRCCS Policlinico S. Matteo Foundation Pavia, Pavia, Italy
| | - Alain Meyer
- Exploration fonctionnelle musculaire, Service de Physiologie Explorations Fonctionnelles Musculaires, Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
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Alamr M, Pinto MV, Naddaf E. Atypical presentations of inclusion body myositis: Clinical characteristics and long-term outcomes. Muscle Nerve 2022; 66:686-693. [PMID: 36052422 DOI: 10.1002/mus.27716] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 08/15/2022] [Accepted: 08/28/2022] [Indexed: 12/14/2022]
Abstract
INTRODUCTIONS/AIMS Inclusion body myositis (IBM) typically presents with progressive weakness preferentially involving finger flexors and quadriceps. Atypical presentations have been less commonly reported. Here, we aim to describe the clinical characteristics and long-term outcomes of IBM patients with atypical presentations. METHODS We retrospectively searched the Mayo Clinic medical records to identify IBM patients with atypical disease onset, seen between 2015 and 2020. RESULTS We identified 357 IBM patients, of whom 50 (14%) had an atypical presentation. Thirty-eight patients were diagnosed with IBM because they fulfilled one of the European Neuromuscular Center diagnostic categories at a later stage, 10 had all IBM histopathological features, and 2 were diagnosed on the basis of clinical and laboratory data. The most common presentation was dysphagia (50%), followed by asymptomatic hyperCKemia (24%; CK, creatine kinase), then foot drop (12%). 6% of patients presented with proximal arm weakness, 4% with axial weakness and 4% with facial diplegia. Median time from symptom onset to diagnosis was 9 y. Median age at diagnosis was 70.5 y. 16% of patients needed a walking aid. When tested, 86.5% of patients had impaired swallowing and 56% had elevated cytosolic nucleotidase-1A antibodies. Only 1/26 patients who received immunotherapy had minimal improvement. Upon follow-up, most patients had generalization of their weakness with a decline in their strength summated score of 0.082/mo. DISCUSSION A significant proportion of IBM patients may have an atypical presentation. Recognition of such heterogeneity could improve early diagnosis, prevent unnecessary immunotherapy, and provide insight for future diagnostic criteria development and clinical trials.
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Affiliation(s)
- Mazen Alamr
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA.,Department of Neurology, National Neuroscience Institute, King Fahad Medical City, Riyadh, Saudi Arabia
| | - Marcus V Pinto
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
| | - Elie Naddaf
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
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Naddaf E. Inclusion body myositis: Update on the diagnostic and therapeutic landscape. Front Neurol 2022; 13:1020113. [PMID: 36237625 PMCID: PMC9551222 DOI: 10.3389/fneur.2022.1020113] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
Inclusion body myositis (IBM) is a progressive muscle disease affecting patients over the age of 40, with distinctive clinical and histopathological features. The typical clinical phenotype is characterized by prominent involvement of deep finger flexors and quadriceps muscles. Less common presentations include isolated dysphagia, asymptomatic hyper-CKemia, and axial or limb weakness beyond the typical pattern. IBM is associated with marked morbidity as majority of patients eventually become wheelchair dependent with limited use of their hands and marked dysphagia. Furthermore, IBM mildly affects longevity with aspiration pneumonia and respiratory complications being the most common cause of death. On muscle biopsy, IBM is characterized by a peculiar combination of endomysial inflammation, rimmed vacuoles, and protein aggregation. These histopathological features are reflective of the complexity of underlying disease mechanisms. No pharmacological treatment is yet available for IBM. Monitoring for swallowing and respiratory complications, exercise, and addressing mobility issues are the mainstay of management. Further research is needed to better understand disease pathogenesis and identify novel therapeutic targets.
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Dropped head in systemic sclerosis: a case based review. Rheumatol Int 2021; 42:1483-1489. [PMID: 34223951 DOI: 10.1007/s00296-021-04942-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 06/30/2021] [Indexed: 10/20/2022]
Abstract
Dropped head syndrome is a rare disease entity characterized by severe weakness of the cervical para-spinal muscles, resulting in a chin-on-chest deformity. Systemic sclerosis is one of the causes of dropped head syndrome, but its characteristics and prognosis remain unclear due to the extreme rarity of this condition. We present a case of dropped head which occurred in systemic sclerosis. He presented with severe dropped head and relatively mild weakness of the proximal limb muscles. Serum level of creatine kinase was elevated, myopathic change was observed in electromyography, and gadolinium enhancement was found in magnetic resonance imaging of his posterior neck muscles. Anti-topoisomerase I antibody was positive, while other autoantibodies such as anti-PM/Scl and anti-Ku antibodies were negative. Since his dropped head acutely progressed, high dose of glucocorticoid therapy was initiated, which successfully improved dropped head, serum level of creatine kinase, and gadolinium enhancement in magnetic resonance imaging. Our present case and literature review suggest that dropped head occurring in systemic sclerosis can be treatable with immunosuppressive therapy. It is important to recognize this rare but treatable involvement of systemic sclerosis because early diagnosis and treatment initiation are crucial to prevent the irreversible organ damage and the significant decrease of daily activities.
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Akiyama M, Kaneko Y, Saito S, Matsumoto K, Kondo Y, Hanaoka H, Otomo K, Oyama M, Matsubara S, Takeuchi T. A case of dropped head syndrome due to focal myositis that worsened with cellulitis and improved only by treatment of cellulitis. Mod Rheumatol Case Rep 2021; 5:431-436. [PMID: 33686913 DOI: 10.1080/24725625.2021.1899381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
Dropped head syndrome due to focal myositis is extremely rare. Due to the rarity of the disease, its clinical characteristics and prognosis remain unknown. We present a unique case of dropped head syndrome due to focal myositis that exacerbated following cellulitis and was dramatically improved along with the improvement of her cellulitis only treated with antibiotics. We should consider the possibility of preceding trigger event such as infection when we face with the exacerbation of focal myositis before making a decision of strengthening immunosuppressive therapy to avoid unnecessary increase of glucocorticoid.
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Affiliation(s)
- Mitsuhiro Akiyama
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yuko Kaneko
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Shuntaro Saito
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kotaro Matsumoto
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yasushi Kondo
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hironari Hanaoka
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kotaro Otomo
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Munenori Oyama
- Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Shiro Matsubara
- Department of Neurology, Tokyo Metropolitan Neurological Hospital, Tokyo, Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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Paul P, Vazquez Do Campo R, Liewluck T, Naddaf E. Ranolazine-induced lipid storage myopathy presenting with respiratory failure and head drop. Neuromuscul Disord 2021; 31:546-550. [PMID: 33903020 DOI: 10.1016/j.nmd.2021.03.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 03/11/2021] [Accepted: 03/15/2021] [Indexed: 11/17/2022]
Abstract
Ranolazine is an anti-ischemic drug often used along with statins in patients with ischemic heart disease. Ranolazine-induced proximal myopathy or rhabdomyolysis have been rarely reported, but toxic effects of statins could not be completely ruled out in those cases. We report a 68-year-old man with ranolazine-induced myopathy who presented with respiratory insufficiency and head drop. Creatine kinase level was normal. The Patient continued to worsen despite statin cessation but markedly improved after stopping ranolazine. Muscle biopsy showed excessive lipid accumulation predominantly in type 1 myofibers. The precise mechanism of toxicity is not clear. Treating physicians should be aware of this rare but potentially debilitating adverse effect of ranolazine. Prognosis is good upon discontinuation of the offending drug.
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Affiliation(s)
- Pritikanta Paul
- Department of Neurology and Rehabilitation, University of Illinois at Chicago, Chicago, IL, United States; Department of Neurology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, United States
| | - Rocio Vazquez Do Campo
- Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, United States; Department of Neurology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, United States
| | - Teerin Liewluck
- Department of Neurology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, United States
| | - Elie Naddaf
- Department of Neurology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, United States.
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Sangha G, Yao B, Lunn D, Skorupinska I, Germain L, Kozyra D, Parton M, Miller J, Hanna MG, Hilton-Jones D, Freebody J, Machado PM. Longitudinal observational study investigating outcome measures for clinical trials in inclusion body myositis. J Neurol Neurosurg Psychiatry 2021; 92:jnnp-2020-325141. [PMID: 33849999 DOI: 10.1136/jnnp-2020-325141] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 02/07/2021] [Accepted: 02/22/2021] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To describe decline in muscle strength and physical function in patients with sporadic inclusion body myositis (IBM). METHODS Manual muscle testing (MMT), quantitative muscle testing (QMT) and disability scoring using the IBM Functional Rating Scale (IBMFRS) were undertaken for 181 patients for up to 7.3 years. The relationship between MMT, QMT and IBMFRS composite scores and time from onset were examined using linear mixed effects models adjusted for gender and age of disease onset. Adaptive LASSO regression analysis was used to identify muscle groups that best predicted the time elapsed from onset. Cox proportional hazards regression was used to evaluate time to use of a mobility aid. RESULTS Multilevel modelling of change in percentage MMT, QMT and IBMFRS score over time yielded an average decline of 3.7% (95% CI 3.1% to 4.3%), 3.8% (95% CI 2.7% to 4.9%) and 6.3% (95% CI 5.5% to 7.2%) per year, respectively. The decline, however, was not linear, with steeper decline in the initial years. Older age of onset was associated with a more rapid IBMFRS decline (p=0.007), but did not influence the rate of MMT/QMT decline. Combination of selected muscle groups allowed for generation of single measures of patient progress (MMT and QMT factors). Median (IQR) time to using a mobility aid was 5.4 (3.6-9.2) years, significantly affected by greater age of onset (HR 1.06, 95% CI 1.04 to 1.09, p<0.001). CONCLUSION This prospective observational study represents the largest IBM cohort to date. Measures of patient progress evaluated in this study accurately predict disease progression in a reliable and useful way to be used in trial design.
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Affiliation(s)
- Gina Sangha
- Department of Neurology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Bohao Yao
- Department of Statistics, University of Oxford, Oxford, UK
| | - Daniel Lunn
- Department of Statistics, University of Oxford, Oxford, UK
| | - Iwona Skorupinska
- Queen Square Centre for Neuromuscular Diseases, University College Hospitals NHS Foundation Trust, London, UK
| | - Louise Germain
- Queen Square Centre for Neuromuscular Diseases, University College Hospitals NHS Foundation Trust, London, UK
| | - Damian Kozyra
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Matt Parton
- Queen Square Centre for Neuromuscular Diseases, University College Hospitals NHS Foundation Trust, London, UK
| | - James Miller
- Department of Neurology, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Michael G Hanna
- Queen Square Centre for Neuromuscular Diseases, University College Hospitals NHS Foundation Trust, London, UK
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - David Hilton-Jones
- Department of Neurology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Jane Freebody
- Department of Neurology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Pedro M Machado
- Queen Square Centre for Neuromuscular Diseases, University College Hospitals NHS Foundation Trust, London, UK
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, London, UK
- Centre for Rheumatology, Division of Medicine, University College London, London, UK
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Naddaf E, Paul P, AbouEzzeddine OF. Chloroquine and Hydroxychloroquine Myopathy: Clinical Spectrum and Treatment Outcomes. Front Neurol 2021; 11:616075. [PMID: 33603707 PMCID: PMC7884308 DOI: 10.3389/fneur.2020.616075] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 12/29/2020] [Indexed: 12/13/2022] Open
Abstract
Chloroquine (CQ) and hydroxychloroquine (HCQ) have been associated with muscle toxicity, mostly described as a proximal myopathy with evidence of lysosomal dysfunction on muscle biopsy. In this retrospective study, we aimed to define the clinical phenotype, laboratory features, and treatment outcomes of CQ/HCQ myopathy, as well as the safety profile of these drugs. We identified 13 patients seen between 2000 and 2019, with a median age at presentation of 66 years (range 53–89); 11 were females. At onset of symptoms, patients were on CQ or HCQ for a minimum of 6 months and up to 21 years. Diagnosis was often delayed by a median of 6 months (range 3–48). At presentation, 13 patients reported limb weakness, with five requiring assistance in walking. Ten reported dysphagia, often severe, resulting in marked weight loss or aspiration pneumonia. Nine reported respiratory symptoms, which were multifactorial in four, and four reported severe neck weakness. Myopathy clinical phenotype showed predominant involvement of one or more of the following: proximal limb muscle weakness (12 patients), dysphagia (9), axial weakness (4), and respiratory failure (5). Eleven patients had a cardiac evaluation showing prolonged QT interval in 10 and CQ/HCQ cardiomyopathy (CMP) in four. Ten out of 12 patients markedly improved after discontinuing the medication, but most were left with some residual weakness. Eleven patients had a muscle biopsy showing a myopathy with rimmed vacuoles and marked acid phosphatase reactivity. Nine had elevated creatine kinase level up to 1,199 U/L. Twelve patients had an electromyography (EMG), which showed myopathic motor unit potentials with fibrillation potentials in 11 and myotonic discharges in 3. Higher cumulative dose and longer exposure duration were associated with more severe disability and more common cardiac and swallow involvement, indicating a cumulative dose effect. Herein, we demonstrate that long-term exposure to CQ and HCQ may result in a myopathy with a wide spectrum of clinical presentation and predilection for swallowing, respiratory, and cardiac muscles, often with marked associated morbidity. Once accurately diagnosed and the drug is discontinued, patients usually improve but often fail to return to baseline.
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Affiliation(s)
- Elie Naddaf
- Division of Neuromuscular Medicine, Department of Neurology, Mayo Clinic, Rochester, MN, United States
| | - Pritikanta Paul
- Division of Neuromuscular Medicine, Department of Neurology, Mayo Clinic, Rochester, MN, United States
| | - Omar F AbouEzzeddine
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, United States
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12
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de Visser M. Late-onset myopathies: clinical features and diagnosis. ACTA MYOLOGICA : MYOPATHIES AND CARDIOMYOPATHIES : OFFICIAL JOURNAL OF THE MEDITERRANEAN SOCIETY OF MYOLOGY 2020; 39:235-244. [PMID: 33458579 PMCID: PMC7783434 DOI: 10.36185/2532-1900-027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 11/24/2020] [Indexed: 11/06/2022]
Abstract
Late-onset myopathies are not well-defined since there is no clear definition of 'late onset'. For practical reasons we decided to use the age of 40 years as a cut-off. There are diseases which only manifest as late onset myopathy (inclusion body myositis, oculopharyngeal muscular dystrophy and axial myopathy). In addition, there are diseases with a wide range of onset including 'late onset' muscle weakness. Well-known and rather frequently occurring examples are Becker muscular dystrophy, limb girdle muscular dystrophy, facioscapulohumeral dystrophy, Pompe disease, myotonic dystrophy type 2, and anoctamin-5-related distal myopathy. The above-mentioned diseases will be discussed in detail including clinical presentation - which can sometimes lead someone astray - and diagnostic tools based on real cases taken from the author's practice. Where appropriate a differential diagnosis is provided. Next generation sequencing (NGS) may speed up the diagnostic process in hereditary myopathies, but still there are diseases, e.g. with expansion repeats, deletions, etc, in which NGS is as yet not very helpful.
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Affiliation(s)
- Marianne de Visser
- Department of Neurology, Amsterdam University Medical Centres, Amsterdam, The Netherlands
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